32490643 has 8 divisors (see below), whose sum is σ = 34246800. Its totient is φ = 30776928.

The previous prime is 32490641. The next prime is 32490673. The reversal of 32490643 is 34609423.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 32490643 - 2¹ = 32490641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32490641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9033 + ... + 12106.

It is an arithmetic number, because the mean of its divisors is an integer number (4280850).

Almost surely, 2^32490643 is an apocalyptic number.

32490643 is a deficient number, since it is larger than the sum of its proper divisors (1756157).

32490643 is a wasteful number, since it uses less digits than its factorization.

32490643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21221.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 32490643 is about 5700.0564032297. The cubic root of 32490643 is about 319.0945858020.

It can be divided in two parts, 32490 and 643, that added together give a palindrome (33133).

The spelling of 32490643 in words is "thirty-two million, four hundred ninety thousand, six hundred forty-three".